420833325 has 24 divisors (see below), whose sum is σ = 759031776. Its totient is φ = 204040000.

The previous prime is 420833321. The next prime is 420833333. The reversal of 420833325 is 523338024.

It is not a de Polignac number, because 420833325 - 2² = 420833321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 420833292 and 420833301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420833321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254226 + ... + 255875.

It is an arithmetic number, because the mean of its divisors is an integer number (31626324).

Almost surely, 2^420833325 is an apocalyptic number.

It is an amenable number.

420833325 is a deficient number, since it is larger than the sum of its proper divisors (338198451).

420833325 is a wasteful number, since it uses less digits than its factorization.

420833325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510125 (or 510120 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 420833325 is about 20514.2225053742. Note that the first 3 decimals coincide. The cubic root of 420833325 is about 749.3822023523.

The spelling of 420833325 in words is "four hundred twenty million, eight hundred thirty-three thousand, three hundred twenty-five".